Counting atoms – Normal Welcome to Counting atoms practice - NormalHow many Na atom(s) is(are) in Na2Cr2O7? How many N atom(s) is(are) in (NH4)2MoO4? How many Ag atom(s) is(are) in [Ag(NH3)2]Cl ? How many C atom(s) is(are) in (NH4)2CO3? How many O atom(s) is(are) in Na2Cr2O7? All done? Click submit to receive your results on the next page. Time's up